Home / 85,377,203.65-117,820,579.05-46,218,979.13

Finding the Fourth Proportional to 85,377,203.65, 117,820,579.05 and 46,218,979.13

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Solution

The fourth proportional to 85,377,203.65, 117,820,579.05 and 46,218,979.13 is: 63,782,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,377,203.65 : 117,820,579.05 = 46,218,979.13 : x
  2. Step 2: Convert to fraction form
    85,377,203.65/117,820,579.05 = 46,218,979.13/x
  3. Step 3: Cross multiply
    85,377,203.65x = 117,820,579.05 × 46,218,979.13
  4. Step 4: Simplify right side
    85,377,203.65x = 5,445,546,884,270,103
  5. Step 5: Solve for x
    x = 5,445,546,884,270,103/85,377,203.65
  6. Step 6: Final answer
    x = 63,782,211.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.